Frost Dates for White Rock, British Columbia, Canada

Coordinates: 49.033, -122.817

Growing Season

The last spring air frost in White Rock, British Columbia, Canada typically occurs around May 1, and the first autumn air frost around Oct 6. This gives a frost-free growing season of approximately 158 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 8b, where the average annual extreme minimum temperature is -9.4 to -6.7°C (15 to 20°F). This zone rating helps gardeners determine which perennial plants are likely to survive winter.

Temperature Overview

The coldest month is February, with an average low of 2°C (36°F). The warmest month is August, with an average high of 22°C (72°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): May 1 (last spring) to Oct 6 (first autumn). Light ground frost (-1°C / 30°F): Apr 12 (last spring) to Oct 24 (first autumn). Hard ground frost (-2°C / 28°F): Feb 21 (last spring) to Nov 25 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone
USDA Growing Zone - 8b

... and the frost data for your area is ...

Current Risk Level: Light Ground Frost possible

for today based on past data only.

We predict a frost free growing season at your location from May 1 to Oct 6, which provides approximately 157 frost free days.

For the less tender plants, or if you are planning to protect your plants with fleece etc, your growing season could stretch from Apr 12 to Oct 24, which provides a total of 195 days for growing.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
  • Hard Ground Frost possible
  • Light Ground Frost possible
  • Air Frost possible
  • Safest (unlikely)
First and last frost dates by frost type
FirstLast
Air FrostOct 6May 1
Light Ground FrostOct 24Apr 12
Hard Ground FrostNov 25Feb 21

Frost Dates for White Rock, British Columbia, Canada | FrostDates.com